139388Smckusick /* 239388Smckusick * Copyright (c) 1989 The Regents of the University of California. 339388Smckusick * All rights reserved. 439388Smckusick * 544536Sbostic * %sccs.include.redist.c% 639388Smckusick * 7*53685Smckusick * @(#)mfsnode.h 7.11 (Berkeley) 05/27/92 839388Smckusick */ 939388Smckusick 1039388Smckusick /* 1151478Sbostic * This structure defines the control data for the memory based file system. 1239388Smckusick */ 1339388Smckusick 1439388Smckusick struct mfsnode { 1539388Smckusick struct vnode *mfs_vnode; /* vnode associated with this mfsnode */ 1639388Smckusick caddr_t mfs_baseoff; /* base of file system in memory */ 1739388Smckusick long mfs_size; /* size of memory file system */ 1839388Smckusick pid_t mfs_pid; /* supporting process pid */ 1939388Smckusick struct buf *mfs_buflist; /* list of I/O requests */ 2039388Smckusick long mfs_spare[4]; 2139388Smckusick }; 2239388Smckusick 2339388Smckusick /* 2439388Smckusick * Convert between mfsnode pointers and vnode pointers 2539388Smckusick */ 2639388Smckusick #define VTOMFS(vp) ((struct mfsnode *)(vp)->v_data) 2739388Smckusick #define MFSTOV(mfsp) ((mfsp)->mfs_vnode) 2848033Smckusick 2951478Sbostic /* Prototypes for MFS operations on vnodes. */ 3053560Sheideman #define mfs_lookup ((int (*) __P((struct vop_lookup_args *)))mfs_badop) 3153560Sheideman #define mfs_create ((int (*) __P((struct vop_create_args *)))mfs_badop) 3253560Sheideman #define mfs_mknod ((int (*) __P((struct vop_mknod_args *)))mfs_badop) 3353560Sheideman #define mfs_access ((int (*) __P((struct vop_access_args *)))mfs_badop) 3453560Sheideman #define mfs_getattr ((int (*) __P((struct vop_getattr_args *)))mfs_badop) 3553560Sheideman #define mfs_setattr ((int (*) __P((struct vop_setattr_args *)))mfs_badop) 3653560Sheideman #define mfs_read ((int (*) __P((struct vop_read_args *)))mfs_badop) 3753560Sheideman #define mfs_write ((int (*) __P((struct vop_write_args *)))mfs_badop) 3853560Sheideman #define mfs_select ((int (*) __P((struct vop_select_args *)))mfs_badop) 3953560Sheideman #define mfs_mmap ((int (*) __P((struct vop_mmap_args *)))mfs_badop) 4053560Sheideman #define mfs_fsync ((int (*) __P((struct vop_fsync_args *)))mfs_badop) 4153560Sheideman #define mfs_seek ((int (*) __P((struct vop_seek_args *)))mfs_badop) 4253560Sheideman #define mfs_remove ((int (*) __P((struct vop_remove_args *)))mfs_badop) 4353560Sheideman #define mfs_link ((int (*) __P((struct vop_link_args *)))mfs_badop) 4453560Sheideman #define mfs_rename ((int (*) __P((struct vop_rename_args *)))mfs_badop) 4553560Sheideman #define mfs_mkdir ((int (*) __P((struct vop_mkdir_args *)))mfs_badop) 4653560Sheideman #define mfs_rmdir ((int (*) __P((struct vop_rmdir_args *)))mfs_badop) 4753560Sheideman #define mfs_symlink ((int (*) __P((struct vop_symlink_args *)))mfs_badop) 4853560Sheideman #define mfs_readdir ((int (*) __P((struct vop_readdir_args *)))mfs_badop) 4953560Sheideman #define mfs_readlink ((int (*) __P((struct vop_readlink_args *)))mfs_badop) 5053560Sheideman #define mfs_abortop ((int (*) __P((struct vop_abortop_args *)))mfs_badop) 5153560Sheideman #define mfs_lock ((int (*) __P((struct vop_lock_args *)))nullop) 5253560Sheideman #define mfs_unlock ((int (*) __P((struct vop_unlock_args *)))nullop) 5353560Sheideman #define mfs_islocked ((int (*) __P((struct vop_islocked_args *)))nullop) 5453560Sheideman #define mfs_advlock ((int (*) __P((struct vop_advlock_args *)))mfs_badop) 5553560Sheideman #define mfs_blkatoff ((int (*) __P((struct vop_blkatoff_args *)))mfs_badop) 5653560Sheideman #define mfs_vget ((int (*) __P((struct vop_vget_args *)))mfs_badop) 5753560Sheideman #define mfs_valloc ((int (*) __P((struct vop_valloc_args *)))mfs_badop) 5853560Sheideman #define mfs_vfree ((int (*) __P((struct vop_vfree_args *)))mfs_badop) 5953560Sheideman #define mfs_truncate ((int (*) __P((struct vop_truncate_args *)))mfs_badop) 60*53685Smckusick #define mfs_update ((int (*) __P((struct vop_update_args *)))mfs_badop) 61*53685Smckusick #define mfs_bwrite ((int (*) __P((struct vop_bwrite_args *)))vn_bwrite) 62